1) Pseudo cycle
拟似周期
2) quasi periodic approximation
拟周期近似
3) approximate period
近似周期
1.
The analysis and calculation of the approximate yearly runoff time series at Wuqiangxi station on lower reaches of Xiang River prove that the approximate periods of the yearly runoff are 16.
讨论了年水文时间序列的近似周期分析方法,在极大熵谱分析法的基础上设计了一种时间序列分段搜索法,并用计算机软件仿真实现。
2.
The paper conducts identification,presentation and extraction on three approximate period series of natural annual runoff rate of 1470~2002,1919~2002 and 1949~2002 of Sanmenxia Station on the Yellow River by using the methods of autocorrelation and variance spectral density analysis.
采用自相关和方差谱密度分析方法,对黄河三门峡站1470~2002年、1919~2002年和1949~2002年3个系列天然年径流量的近似周期成分进行了识别、表示和提取。
3.
When expanded the parameters, by means of the technique of different frequency expansion, the approximate period and solution when α is a small parameter or not a small one are obtained.
在进行参数展开时,通过系统频率不同展开式分别求出了此类系统在含有小参数和不要求含有小参数情况下的近似解和近似周期。
4) dummy period
虚拟周期
1.
The dummy period method is applied to control the quality of crude inventory in the last period.
采用PIMS软件中的多周期混合整数规划技术建立炼油企业购油计划模型,使优化结果与实际购油方式相吻合;采用虚拟周期方法解决原油期末库存质量控制问题;采用滚动处理方式解决炼厂月、季原油选购计划的衔接和全局优化问题。
6) quasi periodicity
拟周期
1.
The quasi periodicity describes the repeated behavior of specific objects while allowing uneven stretch or shrink on time axis, limited noises, and inflation /deflation of attribute values.
拟周期性能描述对象在生命周期中重复性的趋势和走向 ,并能忽略时间轴上不规则的伸缩和幅度上的干扰 。
补充资料：意意似似
1.见"意意思思"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条